BOOL global_machine_password_needs_changing = False;
-extern pstring global_myname;
extern userdom_struct current_user_info;
+
+/*
+ resolve the name of a DC in ways appropriate for an ADS domain mode
+ an ADS domain may not have Netbios enabled at all, so this is
+ quite different from the RPC case
+ Note that we ignore the 'server' parameter here. That has the effect of using
+ the 'ADS server' smb.conf parameter, which is what we really want anyway
+ */
+static NTSTATUS ads_resolve_dc(fstring remote_machine,
+ struct in_addr *dest_ip)
+{
+ ADS_STRUCT *ads;
+ ads = ads_init_simple();
+ if (!ads) {
+ return NT_STATUS_NO_LOGON_SERVERS;
+ }
+
+ DEBUG(4,("ads_resolve_dc: realm=%s\n", ads->config.realm));
+
+ ads->auth.flags |= ADS_AUTH_NO_BIND;
+
+#ifdef HAVE_ADS
+ /* a full ads_connect() is actually overkill, as we don't srictly need
+ to do the SASL auth in order to get the info we need, but libads
+ doesn't offer a better way right now */
+ ads_connect(ads);
+#endif
+
+ fstrcpy(remote_machine, ads->config.ldap_server_name);
+ strupper(remote_machine);
+ *dest_ip = ads->ldap_ip;
+ ads_destroy(&ads);
+
+ if (!*remote_machine || is_zero_ip(*dest_ip)) {
+ return NT_STATUS_NO_LOGON_SERVERS;
+ }
+
+ DEBUG(4,("ads_resolve_dc: using server='%s' IP=%s\n",
+ remote_machine, inet_ntoa(*dest_ip)));
+
+ return NT_STATUS_OK;
+}
+
+/*
+ resolve the name of a DC in ways appropriate for RPC domain mode
+ this relies on the server supporting netbios and port 137 not being
+ firewalled
+ */
+static NTSTATUS rpc_resolve_dc(const char *server,
+ fstring remote_machine,
+ struct in_addr *dest_ip)
+{
+ if (is_ipaddress(server)) {
+ struct in_addr to_ip = *interpret_addr2(server);
+
+ /* we need to know the machines netbios name - this is a lousy
+ way to find it, but until we have a RPC call that does this
+ it will have to do */
+ if (!name_status_find("*", 0x20, 0x20, to_ip, remote_machine)) {
+ DEBUG(2, ("rpc_resolve_dc: Can't resolve name for IP %s\n", server));
+ return NT_STATUS_NO_LOGON_SERVERS;
+ }
+
+ *dest_ip = to_ip;
+ return NT_STATUS_OK;
+ }
+
+ fstrcpy(remote_machine, server);
+ strupper(remote_machine);
+ if (!resolve_name(remote_machine, dest_ip, 0x20)) {
+ DEBUG(1,("rpc_resolve_dc: Can't resolve address for %s\n",
+ remote_machine));
+ return NT_STATUS_NO_LOGON_SERVERS;
+ }
+
+ DEBUG(4,("rpc_resolve_dc: using server='%s' IP=%s\n",
+ remote_machine, inet_ntoa(*dest_ip)));
+
+ return NT_STATUS_OK;
+}
+
/**
* Connect to a remote server for domain security authenticaion.
*
* @param cli the cli to return containing the active connection
* @param server either a machine name or text IP address to
* connect to.
- * @param trust_password the trust password to establish the
+ * @param trust_passwd the trust password to establish the
* credentials with.
*
**/
const char *server,
const char *setup_creds_as,
uint16 sec_chan,
- const unsigned char *trust_passwd)
+ const unsigned char *trust_passwd,
+ BOOL *retry)
{
struct in_addr dest_ip;
fstring remote_machine;
NTSTATUS result;
+ uint32 neg_flags = 0x000001ff;
- if (is_ipaddress(server)) {
- struct in_addr to_ip;
-
- /* we shouldn't have 255.255.255.255 forthe IP address of
- a password server anyways */
- if ((to_ip.s_addr=inet_addr(server)) == 0xFFFFFFFF) {
- DEBUG (0,("connect_to_domain_password_server: inet_addr(%s) returned 0xFFFFFFFF!\n", server));
- return NT_STATUS_UNSUCCESSFUL;
- }
+ *retry = False;
- if (!name_status_find("*", 0x20, 0x20, to_ip, remote_machine)) {
- DEBUG(0, ("connect_to_domain_password_server: Can't "
- "resolve name for IP %s\n", server));
- return NT_STATUS_UNSUCCESSFUL;
- }
- } else {
- fstrcpy(remote_machine, server);
- }
-
- standard_sub_basic(current_user_info.smb_name, remote_machine);
- strupper(remote_machine);
+ if (lp_security() == SEC_ADS)
+ result = ads_resolve_dc(remote_machine, &dest_ip);
+ else
+ result = rpc_resolve_dc(server, remote_machine, &dest_ip);
- if(!resolve_name( remote_machine, &dest_ip, 0x20)) {
- DEBUG(1,("connect_to_domain_password_server: Can't resolve address for %s\n", remote_machine));
- return NT_STATUS_UNSUCCESSFUL;
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(2,("connect_to_domain_password_server: unable to resolve DC: %s\n",
+ nt_errstr(result)));
+ return result;
}
-
+
if (ismyip(dest_ip)) {
DEBUG(1,("connect_to_domain_password_server: Password server loop - not using password server %s\n",
remote_machine));
- return NT_STATUS_UNSUCCESSFUL;
+ return NT_STATUS_NO_LOGON_SERVERS;
}
/* TODO: Send a SAMLOGON request to determine whether this is a valid
* ACCESS_DENIED errors if 2 auths are done from the same machine. JRA.
*/
+ *retry = True;
+
if (!grab_server_mutex(server))
- return NT_STATUS_UNSUCCESSFUL;
+ return NT_STATUS_NO_LOGON_SERVERS;
/* Attempt connection */
- result = cli_full_connection(cli, global_myname, server,
- &dest_ip, 0, "IPC$", "IPC", "", "", "");
+ result = cli_full_connection(cli, global_myname(), remote_machine,
+ &dest_ip, 0, "IPC$", "IPC", "", "", "",0, retry);
if (!NT_STATUS_IS_OK(result)) {
release_server_mutex();
* into account also. This patch from "Bjart Kvarme" <bjart.kvarme@usit.uio.no>.
*/
- if(cli_nt_session_open(*cli, PIPE_NETLOGON) == False) {
+ if(cli_nt_session_open(*cli, PI_NETLOGON) == False) {
DEBUG(0,("connect_to_domain_password_server: unable to open the domain client session to \
machine %s. Error was : %s.\n", remote_machine, cli_errstr(*cli)));
cli_nt_session_close(*cli);
cli_ulogoff(*cli);
cli_shutdown(*cli);
release_server_mutex();
- return NT_STATUS_UNSUCCESSFUL;
+ return NT_STATUS_NO_LOGON_SERVERS;
}
snprintf((*cli)->mach_acct, sizeof((*cli)->mach_acct) - 1, "%s$", setup_creds_as);
return NT_STATUS_NO_MEMORY;
}
- result = new_cli_nt_setup_creds(*cli, sec_chan, trust_passwd);
+ result = cli_nt_setup_creds(*cli, sec_chan, trust_passwd, &neg_flags, 2);
if (!NT_STATUS_IS_OK(result)) {
- DEBUG(0,("connect_to_domain_password_server: unable to setup the PDC credentials to machine \
+ DEBUG(0,("connect_to_domain_password_server: unable to setup the NETLOGON credentials to machine \
%s. Error was : %s.\n", remote_machine, nt_errstr(result)));
cli_nt_session_close(*cli);
cli_ulogoff(*cli);
uint16 sec_chan,
const unsigned char *trust_passwd)
{
+ NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ BOOL retry = True;
fstring dc_name;
+ int i;
/*
* Ignore addresses we have already tried.
*/
if (is_zero_ip(*ip))
- return NT_STATUS_UNSUCCESSFUL;
+ return NT_STATUS_NO_LOGON_SERVERS;
- if (!lookup_dc_name(global_myname, domain, ip, dc_name))
- return NT_STATUS_UNSUCCESSFUL;
+ if (!lookup_dc_name(global_myname(), domain, ip, dc_name))
+ return NT_STATUS_NO_LOGON_SERVERS;
- return connect_to_domain_password_server(cli, dc_name, setup_creds_as, sec_chan, trust_passwd);
+ for (i = 0; (!NT_STATUS_IS_OK(ret)) && retry && (i < 3); i++)
+ ret = connect_to_domain_password_server(cli, dc_name, setup_creds_as,
+ sec_chan, trust_passwd, &retry);
+ return ret;
}
/***********************************************************************
- We have been asked to dynamcially determine the IP addresses of
+ We have been asked to dynamically determine the IP addresses of
the PDC and BDC's for DOMAIN, and query them in turn.
************************************************************************/
-static NTSTATUS find_connect_pdc(struct cli_state **cli,
+static NTSTATUS find_connect_dc(struct cli_state **cli,
const char *domain,
const char *setup_creds_as,
uint16 sec_chan,
unsigned char *trust_passwd,
time_t last_change_time)
{
- struct in_addr *ip_list = NULL;
- int count = 0;
- int i;
- NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
- time_t time_now = time(NULL);
- BOOL use_pdc_only = False;
-
- /*
- * If the time the machine password has changed
- * was less than an hour ago then we need to contact
- * the PDC only, as we cannot be sure domain replication
- * has yet taken place. Bug found by Gerald (way to go
- * Gerald !). JRA.
- */
-
- if (time_now - last_change_time < 3600)
- use_pdc_only = True;
+ struct in_addr dc_ip;
+ fstring srv_name;
- if (!get_dc_list(use_pdc_only, domain, &ip_list, &count))
- return NT_STATUS_UNSUCCESSFUL;
-
- /*
- * Firstly try and contact a PDC/BDC who has the same
- * network address as any of our interfaces.
- */
- for(i = 0; i < count; i++) {
- if(!is_local_net(ip_list[i]))
- continue;
-
- if(NT_STATUS_IS_OK(nt_status =
- attempt_connect_to_dc(cli, domain,
- &ip_list[i], setup_creds_as,
- sec_chan, trust_passwd)))
- break;
-
- zero_ip(&ip_list[i]); /* Tried and failed. */
+ if ( !rpc_find_dc(lp_workgroup(), srv_name, &dc_ip) ) {
+ DEBUG(0,("find_connect_dc: Failed to find an DCs for %s\n", lp_workgroup()));
+ return NT_STATUS_NO_LOGON_SERVERS;
}
-
- /*
- * Secondly try and contact a random PDC/BDC.
- */
- if(!NT_STATUS_IS_OK(nt_status)) {
- i = (sys_random() % count);
-
- if (!is_zero_ip(ip_list[i])) {
- if (!NT_STATUS_IS_OK(nt_status =
- attempt_connect_to_dc(cli, domain,
- &ip_list[i], setup_creds_as,
- sec_chan, trust_passwd)))
- zero_ip(&ip_list[i]); /* Tried and failed. */
- }
- }
-
- /*
- * Finally go through the IP list in turn, ignoring any addresses
- * we have already tried.
- */
- if(!NT_STATUS_IS_OK(nt_status)) {
- /*
- * Try and connect to any of the other IP addresses in the PDC/BDC list.
- * Note that from a WINS server the #1 IP address is the PDC.
- */
- for(i = 0; i < count; i++) {
- if (is_zero_ip(ip_list[i]))
- continue;
-
- if (NT_STATUS_IS_OK(nt_status = attempt_connect_to_dc(cli, domain,
- &ip_list[i], setup_creds_as, sec_chan, trust_passwd)))
- break;
- }
- }
-
- SAFE_FREE(ip_list);
- return nt_status;
+
+ return attempt_connect_to_dc( cli, domain, &dc_ip, setup_creds_as,
+ sec_chan, trust_passwd );
}
/***********************************************************************
const char *domain,
uchar chal[8],
auth_serversupplied_info **server_info,
- char *server, char *setup_creds_as,
+ const char *server, const char *setup_creds_as,
uint16 sec_chan,
unsigned char trust_passwd[16],
time_t last_change_time)
fstring remote_machine;
NET_USER_INFO_3 info3;
struct cli_state *cli = NULL;
- NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
+ NTSTATUS nt_status = NT_STATUS_NO_LOGON_SERVERS;
/*
* At this point, smb_apasswd points to the lanman response to
while (!NT_STATUS_IS_OK(nt_status) &&
next_token(&server,remote_machine,LIST_SEP,sizeof(remote_machine))) {
- if(strequal(remote_machine, "*")) {
- nt_status = find_connect_pdc(&cli, domain, setup_creds_as, sec_chan, trust_passwd, last_change_time);
+ if(lp_security() != SEC_ADS && strequal(remote_machine, "*")) {
+ nt_status = find_connect_dc(&cli, domain, setup_creds_as, sec_chan, trust_passwd, last_change_time);
} else {
- nt_status = connect_to_domain_password_server(&cli, remote_machine, setup_creds_as, sec_chan, trust_passwd);
+ int i;
+ BOOL retry = True;
+ for (i = 0; !NT_STATUS_IS_OK(nt_status) && retry && (i < 3); i++)
+ nt_status = connect_to_domain_password_server(&cli, remote_machine, setup_creds_as,
+ sec_chan, trust_passwd, &retry);
}
}
user_info->domain.str, cli->srv_name_slash,
nt_errstr(nt_status)));
} else {
- nt_status = make_server_info_info3(mem_ctx, domain, server_info, &info3);
+ nt_status = make_server_info_info3(mem_ctx, user_info->internal_username.str,
+ user_info->smb_name.str, domain, server_info, &info3);
#if 0
/* The stuff doesn't work right yet */
SMB_ASSERT(sizeof((*server_info)->session_key) == sizeof(info3.user_sess_key));
char *password_server;
unsigned char trust_passwd[16];
time_t last_change_time;
- char *domain = lp_workgroup();
+ const char *domain = lp_workgroup();
if (!user_info || !server_info || !auth_context) {
DEBUG(1,("check_ntdomain_security: Critical variables not present. Failing.\n"));
* password file.
*/
- if(is_netbios_alias_or_name(user_info->domain.str)) {
+ if(is_myname(user_info->domain.str)) {
DEBUG(3,("check_ntdomain_security: Requested domain was for this machine.\n"));
return NT_STATUS_LOGON_FAILURE;
}
if (!secrets_fetch_trust_account_password(domain, trust_passwd, &last_change_time))
{
- DEBUG(0, ("check_ntdomain_security: could not fetch trust account password for domain %s\n", lp_workgroup()));
+ DEBUG(0, ("check_ntdomain_security: could not fetch trust account password for domain '%s'\n", domain));
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
- /* Test if machine password is expired and need to be changed */
- if (time(NULL) > last_change_time + lp_machine_password_timeout())
- {
- global_machine_password_needs_changing = True;
+ /* Test if machine password has expired and needs to be changed */
+ if (lp_machine_password_timeout()) {
+ if (last_change_time > 0 &&
+ time(NULL) > (last_change_time +
+ lp_machine_password_timeout())) {
+ global_machine_password_needs_changing = True;
+ }
}
/*
nt_status = domain_client_validate(mem_ctx, user_info, domain,
(uchar *)auth_context->challenge.data,
server_info,
- password_server, global_myname, SEC_CHAN_WKSTA, trust_passwd, last_change_time);
+ password_server, global_myname(), SEC_CHAN_WKSTA, trust_passwd, last_change_time);
return nt_status;
}
* password file.
*/
- if(is_netbios_alias_or_name(user_info->domain.str)) {
+ if(is_myname(user_info->domain.str)) {
DEBUG(3,("check_trustdomain_security: Requested domain was for this machine.\n"));
return NT_STATUS_LOGON_FAILURE;
}
#ifdef DEBUG_PASSWORD
DEBUG(100, ("Trust password for domain %s is %s\n", user_info->domain.str, trust_password));
#endif
- E_md4hash((uchar *)trust_password, trust_md4_password);
+ E_md4hash(trust_password, trust_md4_password);
SAFE_FREE(trust_password);
#if 0